Implantable power pack

Abstract

Disclosed is an implantable power pack. In one implementation, the implantable power pack includes a housing, a power output port disposed on the housing, a resonant network configured to receive a wireless power transfer from an external primary power source, a power transfer secondary electronics component configured to convert alternating current power received from the resonant network to direct current power, and a power management component configured to provide the direct current power through the power output port.

1 . An implantable power pack, comprising:
 a housing;   a power output port disposed on the housing;   a resonant network included within the housing and configured to receive a wireless power transfer from an external primary power source;   a power transfer secondary electronics component included within the housing, connected to the resonant network, and configured to convert alternating current power received from the resonant network to direct current power; and   a power management component included within the housing, connected to the power transfer secondary electronics component, and configured to provide the direct current power through the power output port.   
     
     
         2 . The implantable power pack of  claim 1 , further comprising a battery included within the housing and configured to be recharged by power transferred from the external primary power source. 
     
     
         3 . The implantable power pack of  claim 1 , wherein the resonant network includes a coil and a capacitor. 
     
     
         4 . The implantable power pack of  claim 1 , wherein the power transfer secondary electronics component includes a rectifier. 
     
     
         5 . The implantable power pack of  claim 1 , wherein the power management component includes regulator. 
     
     
         6 . The implantable power pack of  claim 1 , further comprising a plurality power output ports disposed on the housing wherein the power management component provides direct current power through the plurality of power output ports. 
     
     
         7 . The implantable power pack of  claim 1 , wherein the power management component provides electric power to a left ventricle assist device that is connected to the output port. 
     
     
         8 . The implantable power pack of  claim 1 , wherein the housing is implanted within a subject in a location that is adjacent to the skin of the subject. 
     
     
         9 . The implantable power pack of  claim 1 , wherein the power management component shifts between a power supply mode and an idle mode depending on power demanded from an implanted medical device that is connected to the output port. 
     
     
         10 . An implantable system, comprising:
 a power pack configured to receive a wireless power transfer from an external primary power source and to provide power through a power output port disposed on a housing of the power pack; and   a medical device configured to connect to the power output port of the power pack and to receive power from the power pack through a power input port disposed on a housing of the medical device, wherein the housing of medical device does not have a battery included therein.   
     
     
         11 . The implantable system of  claim 10 , wherein the power pack comprises:
 a resonant network included within the housing and configured to receive a wireless power transfer from an external primary power source;   a power transfer secondary electronics component included within the housing, connected to the resonant network, and configured to convert alternating current power received from the resonant network to direct current power;   a power management component included within the housing, connected to the power transfer secondary electronics component, and configured to provide the direct current power through the power output port; and   a battery included within the housing and configured to be recharged by power transferred from the external primary power source.   
     
     
         12 . The implantable system of  claim 10 , wherein the medical device is a ventricle assist device comprising:
 a pump that supports a heart function of a subject within whom the housing is implanted;   a controller configured to control the operation of the pump;   a sensor configured to detect pressure within a circulatory system of the subject and to provide the detected pressure as feedback to the controller; and   an antenna that provides for wireless communication to external components;   wherein the controller is configured to communicate status information and/or receive commands through the antenna.   
     
     
         13 . An implantable medical device, comprising:
 a housing;   a power output port disposed on the housing;   a ventricle assist component included within the housing;   a power pack component included within the housing and connected to the ventricle assist section and to the power output port, the power pack section configured to receive a wireless power transfer from an external primary power source and to provide power to the ventricle assist section and to an additional implanted medical device through the power output port.   
     
     
         14 . The implantable medical device of  claim 13 , wherein the ventricle assist component comprises:
 a pump that supports a heart function of a subject within whom the housing is implanted;   a controller configured to control the operation of the pump;   a sensor configured to detect pressure within a circulatory system of the subject and to provide the detected pressure as feedback to the controller; and   an antenna that provides for wireless communication to external components;   wherein the controller is configured to communicate status information and/or receive commands through the antenna.   
     
     
         15 . The implantable medical device of  claim 13 , wherein the power pack component comprises:
 a resonant network included within the housing and configured to receive a wireless power transfer from an external primary power source;   a power transfer secondary electronics component included within the housing, connected to the resonant network, and configured to convert alternating current power received from the resonant network to direct current power;   a power management component included within the housing, connected to the power transfer secondary electronics component, and configured to provide the direct current power through the power output port; and   a battery included within the housing and configured to be recharged by power transferred from the external primary power source.   
     
     
         16 . A ventricle assist device, comprising:
 a housing;   a power input port disposed on the housing;   a pump that supports a heart function of a subject within whom the housing is implanted; and   a controller configured to control the operation of the pump;   wherein the pump and the controller receive electric power through the power input port and the housing does not have a battery included therein.   
     
     
         17 . The implantable medical device of  claim 16 , further comprising
 a sensor configured to detect pressure within a circulatory system of the subject and to provide the detected pressure as feedback to the controller.   
     
     
         18 . The implantable medical device of  claim 17 , further comprising
 an antenna that provides for wireless communication to external components;   wherein the controller is configured to communicate status information and/or receive commands through the antenna.